《Chinese Journal of Rehabilitation Theory and Practice》 ›› 2018, Vol. 24 ›› Issue (3): 266-268.doi: 10.3969/j.issn.1006-9771.2017.00.001

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Impairment of Weight Support of Lower Limbs after Spinal Cord Hemi-section in Rhesus Monkeys

ZHAO Wen1, WEI Rui-han2, RAO Jia-sheng2, ZHAO Can2, TIAN Peng-yu2, ZHOU Xia2, JI Run3, LI Li-feng3, YANG Zhao-yang1,2, LI Xiao-guang1,2   

  1. 1. Department of Neurobiology, Capital Medical University, Beijing 100069, China;
    2. Beijing Key Laboratory for Biomaterials and Neural Regeneration, Department of Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China;
    3. Human Biomechanics Laboratory, National Research Center for Rehabilitation Technical Aids, Beijing 100176, China
  • Received:2017-11-13 Revised:2017-12-07 Published:2018-03-25 Online:2018-03-27
  • Contact: LI Xiao-guang. E-mail: lxgchina@sina.com
  • Supported by:
    Supported by National Key Research and Development Program (No. 2017YFC1104002; No. 2017YFC1104001); National Natural Science Foundation of China, Key Program (No. 31730030), General Program (No. 31670988; No. 31771053), Emergency Management Program (No. 31650001), Projects of International Cooperation and Exchanges (No. 31320103903); Special Funds for the Authors of Excellent Doctoral Dissertations of Universities and Colleges (No. 201356); and Beijing Science and Technology Program (No. Z171100002217066)

Abstract: Objective To observe the influence of spinal cord injury on lower limbs weight support capacity, and the changes with time. Methods Six adult female rhesus monkeys with thoracic (T7-9) right spinal cord hemi-section were measured the plantar pressure ratio of both lower limbs with Foot-Scan system before, and six and twelve weeks after operation. Results There was no statistical difference between both sides of limbs before operation (Z=-1.330, P>0.05), while the plantar pressure ratio was more on the left limbs six and twelve weeks after operation (Z>4.783, P<0.001). The plantar pressure ratio of right lower limb became less and less during observation (Z=3.191, P<0.001).Conclusion The weight support capacity of affected limbs is injured after spinal cord hemi-section in monkeys, and would become worse without intervention.

Key words: spinal cord injury, lower limbs, body weight, support, rhesus monkeys

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